Home / 13,495,197,638.73-18,614,405,393.85-8,678,651,983.03

Finding the Fourth Proportional to 13,495,197,638.73, 18,614,405,393.85 and 8,678,651,983.03

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Solution

The fourth proportional to 13,495,197,638.73, 18,614,405,393.85 and 8,678,651,983.03 is: 11,970,772,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495,197,638.73 : 18,614,405,393.85 = 8,678,651,983.03 : x
  2. Step 2: Convert to fraction form
    13,495,197,638.73/18,614,405,393.85 = 8,678,651,983.03/x
  3. Step 3: Cross multiply
    13,495,197,638.73x = 18,614,405,393.85 × 8,678,651,983.03
  4. Step 4: Simplify right side
    13,495,197,638.73x = 161,547,946,284,260,622,336
  5. Step 5: Solve for x
    x = 161,547,946,284,260,622,336/13,495,197,638.73
  6. Step 6: Final answer
    x = 11,970,772,908.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.